Behavioral task
behavioral1
Sample
2024-04-09_4c82cf5b7e970d07a35d2a6b2754f041_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-09_4c82cf5b7e970d07a35d2a6b2754f041_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-09_4c82cf5b7e970d07a35d2a6b2754f041_cryptolocker
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Size
93KB
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MD5
4c82cf5b7e970d07a35d2a6b2754f041
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SHA1
c39f895035d8ead2f3b4d23889e06704c8785672
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SHA256
0f0c20ed63681897f275b95e52d0b57b38ede02bd729c29fb0645d32009cb0d6
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SHA512
ba03028e8d46763636f0a0c92622f68367ceebac9ba9183d4f41eab3b203da987e2a81c0cc833276b8a1e5e4d638c95f1f535def3ef1176502fb949eea1b7601
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/1:zCsanOtEvwDpjB1
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-04-09_4c82cf5b7e970d07a35d2a6b2754f041_cryptolocker
Files
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2024-04-09_4c82cf5b7e970d07a35d2a6b2754f041_cryptolocker.exe windows:5 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE